What is key information approach?
This approach requires the careful identification of a select group of formal and informal leaders, influential leaders or experts. It provides for structured contact with these informants, usually through direct inter- views or a focus group format. What is key informant approach? Key informant interviews are qualitative in-depth interviews with people who know what is going on in the community. The purpose of key informant interviews is to collect information from a wide range of people—including community leaders, professionals, or residents—who have first hand knowledge about the community.